The acetal enameled wire has two thermal grades: 105 and 120. It has good mechanical strength, adhesion, resistance to transformer oil and refrigerant, and only a small amount is used for windings of oil-immersed transformers and oil-filled motors.
Polyesterimide/polyamide composite enameled wire, thermal class 180. This product has good thermal shock resistance, high softening and breakdown temperature, excellent mechanical strength, and good solvent and refrigerant resistance. It is used in dry-type power transformers, etc. Winding.
